Bleeding and serum d-norgestrel, estradiol and progesterone patterns in women using d-norgestrel subdermal polysiloxane capsules for contraception

DE Moore, S Roy, FZ Stanczyk, DR Mishell Jr - Contraception, 1978 - Elsevier
Six dimethyl polysiloxane (Silastic R) 2 capsules, each containing 33.9 mg d-norgestrel,
were implanted subcutaneously into the forearm of 12 women with regular menstrual cycles …

[HTML][HTML] Extended use of levonorgestrel-releasing intrauterine system (LNG-IUS) 52 mg: a population pharmacokinetic approach to estimate in vivo levonorgestrel …

JT Jensen, I Reinecke, TM Post, E Lukkari-Lax… - Contraception, 2023 - Elsevier
Objective To characterize performance of levonorgestrel-releasing intrauterine system (LNG-
IUS) 52mg (Mirena) over 8 years of use and facilitate comparisons with LNG-IUS 19.5 mg …

Plasma levels of norethindrone after single oral dose administration of norethindrone and lynestrenol

V Odlind, E Weiner, A Victor… - Clinical …, 1979 - Wiley Online Library
Single oral doses of 0.3 mg, 0.5 mg and 5 mg Norethindrone (NET) and 0.5 mg and 5 mg
Lynestrenol (lyn) were given to five women. Lynestrenol is probably metabolized through …

Pharmacokinetic and pharmacodynamic effects of small doses of norethisterone released from vaginal rings continuously during 90 days

BM Landgren, E Johannisson, B Masironi, E Diczfalusy - Contraception, 1979 - Elsevier
The pharmacokinetic and pharmacodynamic effects of norethisterone (NET) released
continuously from vaginal devices at a rate of 50 μ g 24 h and 200 μ g 24 h, respectively …

Plasma levels of d-norgestrel and ovarian function in women using intravaginal rings impregnated with dl-norgestrel for several cycles

A Victor, EDB Johansson - Contraception, 1976 - Elsevier
Silicone polymer intravaginal rings (IVR) of a new “shell” design were used in the present
study. The steroid containing part of the rings was impregnated with different amounts of dl …

[HTML][HTML] Levonorgestrel effects on serum androgens, sex hormone–binding globulin levels, hair shaft diameter, and sexual function

G Kovalevsky, SA Ballagh, FZ Stanczyk, J Lee… - Fertility and sterility, 2010 - Elsevier
OBJECTIVE: To determine the effects of levonorgestrel (LNG) on serum androgens, sex
hormone–binding globulin (SHBG), hair shaft diameter, and sexual function in women …

Discordance between self-reported contraceptive use and detection of exogenous hormones among Malawian women enrolling in a randomized clinical trial

AN Nwaohiri, JH Tang, F Stanczyk, L Chinula, S Hurst… - Contraception, 2018 - Elsevier
Objective The objective was to assess the extent of concordance between self-reported
contraceptive use and the presence of contraceptive progestins in serum. Study design We …

Puerperal insertion of a copper-releasing and a levonorgestrel-releasing intrauterine contraceptive device

M Heikkilä - Contraception, 1982 - Elsevier
A copper-releasing IUD and levonorgestrel-releasing IUDs releasing 30 μg and 10 μg
levonorgestrel per day were inserted six weeks after delivery in 110 volunteers. During the …

Plasma concentrations of ethinylestradiol and d-norgestrel during two immediate postabortal oral contraceptive cycles

P Lähteenmäki, CG Nilsson - Contraception, 1978 - Elsevier
Three voluntary women started a microdose, combined oral contraception (30 μg of EE 2
and 150 μg of d-Ng) within ten hours after an induced abortion on week 8–10 of gestation …

[HTML][HTML] Histological characteristics and altered expression of interleukins (IL) IL-13 and IL-15 in endometria of levonorgestrel users with different uterine bleeding …

A Rhoton-Vlasak, N Chegini, N Hardt, RS Williams - Fertility and sterility, 2005 - Elsevier
OBJECTIVE: To determine the relationship between uterine bleeding patterns in
levonorgestrel users with endometrial histology and expression of interleukins (IL) IL-13 and …